7 mar 1863 año - Alexandre Yersin
Descripción:
-Is a Swiss doctor who worked with Pasteur. He wanted to find Yersinia Pestis bacteria and show it causes disease, black plague, but injecting a health animal.
-He also punctured bubo on a groin from a dead sailor and collected lymph node fluids and injected healthy guinea pigs,
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fecha:
7 mar 1863 año
Ahora mismo
~ 161 years ago